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DBMS , Database Management System
need a DBMS system on any data for assignment.
Posted Date: 11/12/2012 9:36:25 AM | Location : Pakistan
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What is an index, What is an Index? An index is a small table having on...
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
What is a recursive relationship, What is a recursive relationship? Give an...
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Explain group by clause in sql, Explain group By clause in SQL? Group B...
Explain group By clause in SQL? Group By clause in SQL: The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results thro
Sparse and dense indexes, Sparse and Dense Indexes These indexes in pri...
Sparse and Dense Indexes These indexes in principle are the similar as that of indexes used at the back of the book. The key facts of the indexes are: They are arranged
Give the forms of triggers, Give the forms of triggers? The triggering ...
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
What is a value, What is a value? A data value is used for identity. Th...
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
Using relational algebra which query finds customers, Using Relational Alge...
Using Relational Algebra which query finds customers, who have a balance of over 1000 ? Using Relational Algebra Π Customer_name( σ balance >1000(Deposit)) is query to find cu
What functions does a data dictionary perform, What functions does a data d...
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
ER DIAGRAM, NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospita...
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
Distributed query and transaction processing, a. Construct a query around ...
a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4 would require reconstruction of at least two ho
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